优化gui

src/main/java/com/yuyu/srdisassemble/data/JdbcSqlClass.java

@@ -82,6 +82,7 @@ public class JdbcSqlClass {
             }
 
 
+
             String sql = "select column_name\n" +
                     "from INFORMATION_SCHEMA.COLUMNS\n" +
                     "where TABLE_NAME = 'srdisassemble'";
@@ -162,10 +163,12 @@ public class JdbcSqlClass {
             Statement stmt = getConnection();
             try {
                 int i = stmt.executeUpdate(sql);
+                stmt.close();
                 return i;
             } catch (SQLException e) {
                 throw new RuntimeException(e);
             }
+
         }
         return 0;
     }
@@ -204,7 +207,6 @@ public class JdbcSqlClass {
 //                SrDisassemble.getInstance().getLogger().info(ChatColor.GREEN+"数据插入成功");
             }
 
-            connection.close();
             connection.close();
             return id;
         } catch (Exception e) {
@@ -249,7 +251,6 @@ public class JdbcSqlClass {
 
             rs.close();
             connection.close();
-            connection.close();
 
             return data;
         } catch (Exception e) {
@@ -280,7 +281,6 @@ public class JdbcSqlClass {
 
             rs.close();
             connection.close();
-            connection.close();
 
             return data;
         } catch (Exception e) {